Control method for automatic anti-jamming hydraulic system of rock driller
A hydraulic system and control method technology, applied in the hydraulic field, can solve the problems of heavy equipment weight, complicated structure, low work efficiency, etc., and achieve the effects of reducing wear and tear, improving machine motion accuracy, and reducing labor intensity.
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[0011] The method for controlling the automatic anti-jamming hydraulic system of the rock drilling machine described in the embodiment of the present invention, its main steps include:
[0012] ⑴First, arrange the anti-seize circuit, which consists of a propulsion motor and a rotary motor, and is located in the oil circuit area formed by the propulsion motor and the propulsion pump to connect a subsystem composed of an electromagnetic reversing valve, a check valve, a control oil supply pump and a handle , located between the outside of the rotary motor and the rotary pump, the pressure relay and the hydraulic control multi-way valve are connected in sequence;
[0013] (2) The multi-way valve between the rotary circuit and the rotary pump introduces pressure oil into the forward rotation oil inlet chamber of the rotary motor, so that the rotary motor rotates forward, the pressure relay does not move, and the oil introduced by the control pump passes through the reversing valve,...
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